Dimensionality reduction for complex models via Bayesian compressive sensing

K Sargsyan, C Safta, HN Najm… - International Journal …, 2014 - dl.begellhouse.com
Uncertainty quantification in complex physical models is often challenged by the
computational expense of these models. One often needs to operate under the assumption …

[图书][B] Advanced reduced order methods and applications in computational fluid dynamics

G Rozza, G Stabile, F Ballarin - 2022 - SIAM
Reduced order modeling is an important and fast-growing research field in computational
science and engineering, motivated by several reasons, of which we mention just a few …

Comparison of Overwing and Underwing Nacelle Aeropropulsion Optimization for Subsonic Transport Aircraft

J Ahuja, C Hyun Lee, C Perron, DN Mavris - Journal of Aircraft, 2024 - arc.aiaa.org
This research compares a forward-mounted overwing nacelle configuration to a
conventional underwing nacelle for a single-aisle transport aircraft. We focus on …

A multi-fidelity approximation of the active subspace method for surrogate models with high-dimensional inputs

B Mufti, M Chen, C Perron, DN Mavris - AIAA AVIATION 2022 Forum, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-3488. vid Modern design problems
routinely involve high-dimensional inputs and the active subspace has been recognized as …

Assessing the performance of Leja and Clenshaw-Curtis collocation for computational electromagnetics with random input data

D Loukrezis, U Römer… - International Journal for …, 2019 - dl.begellhouse.com
We consider the problem of quantifying uncertainty regarding the output of an
electromagnetic field problem, in the presence of a large number of uncertain input …

Stochastic multiobjective optimization on a budget: Application to multipass wire drawing with quantified uncertainties

P Pandita, I Bilionis, J Panchal… - International Journal …, 2018 - dl.begellhouse.com
Design optimization of engineering systems with multiple competing objectives is a
painstakingly tedious process especially when the objective functions are expensive-to …

High-dimensional multidisciplinary design optimization for aircraft eco-design/Optimisation multi-disciplinaire en grande dimension pour l'\'eco-conception avion en …

S Paul - arXiv preprint arXiv:2402.04711, 2024 - arxiv.org
Résumé D e nos jours, un intérêt significatif et croissant pour améliorer les processus de
conception de véhicules s' observe dans le domaine de l'optimisation multidisciplinaire …

Pro-ML IDeAS: A probabilistic framework for explicit inverse design using invertible neural network

S Ghosh, GA Padmanabha, C Peng… - AIAA Scitech 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-0465. vid An inverse design
process has the potential to positively impact the difficulties of the traditional iterative …

Design space reduction using multi-fidelity model-based active subspaces

B Mufti, C Perron, R Gautier, DN Mavris - AIAA AVIATION 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-3592. vid The parameterization of
aerodynamic design shapes often results in high-dimensional design spaces, creating …

A gradient-based sampling approach for dimension reduction of partial differential equations with stochastic coefficients

M Stoyanov, CG Webster - International Journal for Uncertainty …, 2015 - dl.begellhouse.com
We develop a projection-based dimension reduction approach for partial differential
equations with high-dimensional stochastic coefficients. This technique uses samples of the …